What is W3.CSS?
W3.CSS is a modern CSS framework with built-in responsiveness.

  • Smaller and faster than other CSS frameworks.
  • Easier to learn, and easier to use than other CSS frameworks.
  • Uses standard CSS only (No jQuery or JavaScript library).
  • Speeds up and simplifies web development.
  • Supports modern responsive design (mobile first) by default.
  • Provides CSS equality for all browsers. Chrome, Firefox, IE, Safari, and more.
  • Provides CSS equality for all devices. PC, laptop, tablet, and mobile:


W3.CSS Containers

The w3-container class is the most important of the W3.CSS classes. It provides equality like:

  • Common margins
  • Common paddings
  • Common vertical alignments
  • Common horizontal alignments
  • Common fonts
  • Common colors


The w3-color classes are inspired by modern colors used in marketing, road signs, and sticky notes:

<div>, <header>, <footer>, <article>, <section>, <blockquote>, <form>, and more.

Screenshot

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